<template>
    <div>
        <!-- 顶部滑动条区域 -->
        <div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a v-for="c in cates" :key="c.id" :class="['mui-control-item',c.id=='all'?'mui-active':'']" href="#item1mobile" data-wid="tab-top-subpage-1.html"
                        @click="getListByCateId(c.id)"
                        >
							{{c.groupname}}
						</a>
					</div>
				</div>

		</div>
        <!-- 图片 -->
        <ul class="photo-list">
            <router-link v-for="item in list" :key="item.id" tag="li" :to="'/home/photoinfo/'+item.id">
                <img v-lazy="item.image">
                <div class="info">
                    <h1 class="info-title">{{item.title}}</h1>
                    <div class="info-body">{{item.content}}</div>
                </div>
            </router-link>
        </ul>
    </div>
</template>
<style lang="scss" scoped>
*{
    touch-action: pan-y;
}
.photo-list{
    list-style: none;
    margin: 0;
    padding: 10px;
    padding-bottom: 0;
    li{
        background-color: #ccc;
        text-align: center;
        margin-bottom: 10px;
        box-shadow: 0 0 9px #999;
        position: relative;
        img{
            width: 100%;
            vertical-align: middle;
        }
        img[lazy=loading] 
        {
         width: 40px;
         height: 300px;
         margin: auto;
        }
        .info{
            position: absolute;
            bottom: 0px;
            color: #fff;
            text-align: left;
            background-color: rgba(0,0,0,0.4);
            max-height: 84px;
            .info-title{
                font-size: 14px;
            }
            .info-body{
                font-size: 13px;
            }
        }
    }
}
</style>
<script>
import mui from "../../lib/mui/js/mui.min.js"
export default {
    data(){
        return {
            cates:[],
            list:[]
        }
    },
    created(){
        this.getAllCategory();
        this.getListByCateId("all")
    },
    mounted(){
        mui('.mui-scroll-wrapper').scroll({
	        deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
        });
    },
    methods:{
        getAllCategory(){
            this.$http.get("getEssayType").then(res=>{
                res.body.data.unshift({"groupname":"全部","id":"all"})
                this.cates=res.body.data;
            })
        },
        getListByCateId(cateid){
            this.$http.get("getEssays?id="+cateid).then(res=>{
                this.list=res.body.data
            })
        }
    }
}
</script>